Choosing an Adjustable Ergonomic Kneeling Chair
Before purchasing an ergonomic kneeling chair, consider that people differ greatly in height and one size does not fit all. In the U.S., the bulk of adult males are between a height of 5′5″ and 6′2″, a considerable range. That being considered, to design a piece of furniture made for one size and assume that it would be ergonomically suitable for everyone is a fallacy. Purchasing a chair with adjustable parts is absolutely necessary for both ergonomic alignment and comfort.
Ergonomics is a well defined science. With a traditional 90 degree chair, the necessary adjustments to achieve health ergonomics is simple to achieve. The base of the seat is raised in order to level the eyes with the monitor’s midline. The arms rests are adjusted such that the upper arms drop straight down and the forearms extend forward at a 90 degree angle to rest on the desk or keyboard tray.
With an ergonomic kneeling chair, ergonomics is more easily achieved, especially with the natural vertical spinal alignment that they provide. However, the most important factor to consider when selecting chair is comfort. Only an adjustable ergonomic kneeling chair will be able to achieve comfort for all body types.
The shin pad supports the weight of the lower body. It should have an adjustable tilt angle. The tilt affects compression between the calves and the thighs. Squishing the calves and thighs together can be uncomfortable if one is not used to it. Relaxing the angle of the shin tilt will provide relief for this scenario.
The base of the seat should also be adjustable in its angle. The seat angle effects the hip flexors, the front muscles of the hips. A traditional chair supports a 90 degree angle which tends to tilt the pelvis forward, and can attribute to chronic lower back pain. Increasing this angle relaxes this muscular tension, which is one of the main functions of an ergonomic kneeing chair. However, in this setup, the shins will bear a portion of the weight. A comfortable balance should be found between the angle of the upper and lower halves of the body and the comfort of the shin pressure.
Some ergonomic kneeling chairs have sacrum supports. These are small back-rests that rest up against the lower portion of the spine. Support at the base of the spine can help with vertical alignment, however the design of a kneeling chair should already facilitate this. To ensure that the sacrum support does not get in the way if not needed, it’s position should be adjustable.
Lastly the vertical height of the ergonomic kneeling chair should be adjustable. Since kneeling chairs typically do not have arm rests, the chair should be raised such that the lower arms are horizontal and in-line with the keyboard. The monitor can then be adjusted to eye level.
Since adjustable kneeling chairs have more moving parts than stationary chairs, be sure to consider the materials of your chair. Steel or iron are low cost and provide the stability to provide a long life for your ergonomic kneeling chair.
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Sitting Without a Backrest is Ergonomic Sitting
We love leaning back in chairs to ‘chill out’ or relax and have a coffee or a tea!
Yet when do we learn to strengthen our backs for promoting a good strong standing or sitting posture? I don’t actually think anyone realizes that our backs need to be trained, for promoting good postural performance in our daily lives.
Ergonomic is the term used to describe the relationship between the human, the equipment and the environment for productive activity, which historically was paid employment, that protects our performance activities from injuries in the work environment.
Today the term has become more inclusive to other productive activities such as in the home; as well as other environment, that reduces injuries and improves productivity. The most common injury is low back pain. It makes sense, because this is part of our skeletal body that is easily damaged, unless we are taught how to protect our spine from an early age.
Sadly we are not taught in childhood, that if we carry too much weight on our backs; we will end up with chronic back pain, for the rest of our lives. I still see students running around with cheap backpacks on their backs, heavily laden with books and laptop computers. Low back pain has become a regular complaint of our daily life.
It doesn’t have to be that way, if we learn to strengthen our backs; by not constantly depending on back rest for supporting our backs when sitting. Your back is perfectly capable of sitting upright without a backrest all day. I no longer have a backrest on my computer chair. I took it off one day, because I felt I never used it.. Just don’t do what I did, when I forgot I had removed the backrest; I leaned back to have a stretch and fell off the seat!
Your body should be in an active mode for productive activity, when sitting ergonomically. Ergonomic sitting is not a sedentary position, because your body needs to be kept in constant movement.
You have two ways to think of movement, when sitting ergonomically:
• Your central core is in your pelvic bones that are seated on the chair or stool for stability to your body.
• The spine is stabilized, by placing all your body weight on to your pelvic bones, so that you are able to move your feet for balance and your hands for productive performance, while you are sitting.
• By moving both your hands and feet, or both together, you are able to change the balance of weight distribution in your central core area. This allows oxygenated blood to continue replenishing the areas that have been compressed with postural pressure.
Ergonomic sitting is used in performing productive activities, such as word processing in an ergonomic chair. Ideally ergonomic sitting means that you’re back is in a relaxed position on your pelvic bones, so you are able to move your lower limbs for balance and comfort; plus your upper limbs for productive performance activities.
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Should You Buy a Desktop, Laptop Or Netbook?
If there is one thing that consumers in today’s market have a lot of, that is choices. Most of the products that you need are likely to come in a wide variety of brands and kinds. Those looking for computers are not likely to be spared from this difficult decision making process. With all the different choice that we have today, what many of us want to know is whether we should be buying a Desktop, Laptop or Netbook. Here are some things to help you figure out which one is for you exactly.
Desktop
If you are looking something that is fairly affordable and will serve you well, then a desktop is your best bet. Of course, this is given the fact that you do not have a need to take it along with you. For those with families and large businesses this is an ideal buy since you can just put it in your home or company and leave it there. It is also a good choice for people who actually have an office that they can use regularly since it is the most ergonomic of all choices. The Keyboard allows enough room for your arms and hands while typing, plus height isn’t really a problem since you use it with a desk and chair. In terms of performance we all know that it can contain all the data and programs that you need because it can easily be expanded with very few limits.
Laptop
For people who are constantly on the go and need to stay connected or those with a limited amount of space a laptop may do the job. Of course we all know that these cost a lot more than desktops but at least many of today’s laptops can compete with what desktops offer; although these still cannot top desktops. Many of the laptops today come with webcams, DVD/CD writer and great displays. The battery also gives you the freedom to use this for a few hours without being plugged in. One consideration though with laptops is the difficulty with upgrading and finding replacement parts in case it breaks down. Parts can often be expensive and hard to replace.
Netbook
Others do not understand why they should go for a Netbook instead of a laptop. Well, if you have looked at the price tags then you will know that the latter is definitely more expensive. For those who practically live on airplanes and need to have access to a computer, this is a good solution. It is ultra portable given its size and it performs fairly well. Of course it does not come with frills like a DVD/CD writer and others, but it will get your work done. Plus, a good thing is that you can easily upgrade or expand this without much trouble. One thing that Netbook buyers will have to consider eventually is how long a computer this small will last.
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On-line Ergonomics Program- ErgoAdvocate
www.ergoadvocate.com Ergonomics Training. Gene Kay Ergonomist, Developer, and Owner of ErgoAdvocate talks about his on-line ergonomics program. ErgoAdvocate helps improve comfort, safety, productivity while reducing injury and expense. This is a complete on-line ergonomics program which extends staff reach and provides anywhere, anytime assistance. The site is fully customizable and includes Training, Posture Evaluation, Issues Management, Comprehensive Help Library, and Reporting features. It helps meet the DSE regulations in EU and SE Asia.
http://www.youtube.com/watch?v=0UmmIPQj_v8&hl=en
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Focus Highback Chair Control / Arms: Swivel Tilt / Fixed, Back: Mesh, Fabric: Insight – Fossil
Focus Highback Chair Control / Arms: Swivel Tilt / Fixed, Back: Mesh, Fabric: Insight – Fossil
Focus Highback Chair Control / Arms: Swivel Tilt / Fixed, Back: Mesh, Fabric: Insight – Fossil Feature
Focus Highback Chair Control / Arms: Swivel Tilt / Fixed, Back: Mesh, Fabric: Insight – Fossil Overview
5623+Ta91B1 – 0906-7580 Control / Arms: Swivel Tilt / Fixed, Back: Mesh, Fabric: Insight – Fossil Shown in Swivel with Mesh back Features: -Swivel chair comes with fixed arms. -Syncrotilt chair has adjustable arms. -Plastic, mesh, or upholstered mesh back. -Multiple fabric options available. -Overall Dimensions: 17.5” H x 27.25” W x 26” D.
Focus Highback Chair Control / Arms: Swivel Tilt / Fixed, Back: Mesh, Fabric: Insight – Fossil Specifications
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Health tip #6: Ergonomics
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NEUVO (TM) -ADVANCED MESH CHAIR
NEUVO is designed to show the way to the next generation of ergonomic office seating. The new vogue providing the next generation of design and seating comfort.
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